Iron Core Athletics 41" Loop Exercise Bands - Set of 3 bands - #2 Red, 3 Black, 4 Purple - Provides 10-165lbs Resistance/Assistance Resistance Band #4, #3, and #2 Combo Pack -- Purple Band 1 1/8" Wide -- Black Band 3/4" Wide -- Red Band 1/2" Wide Great for Assisted Pull Ups, Weight Lifting, Pilates, Yoga, Stretching as well as any other body weight assisted exercises Purple Band Provides 40 - 80lbs of resistance, Black Band Provides 30 - 50 lbs of resistance, Red Band Provide 10 - 35 lbs of resistance Professional Quality 100% Layered Latex Material -- Length : 41" Loop -- Thickness 3/8" -- These bands are designed for everyday use and are favorites of Commercial Gyms and Personal Trainers All Iron Core Athletics Exercise Bands come with an Industry leading 2 year warranty - We Stand behind our products 100% -- If you aren't satisfied with the quality of our products we will fix it, GUARANTEED!!